期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 80, 页码 39786-39798出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2021.09.213
关键词
Reaction mechanism; DFT; Hydrogenation; Cyclohexene; Ruthenium(III); Naphthaldiimine
资金
- Taif University, Taif, Saudi Arabia [TURSP-2020/05]
The study investigated the catalytic hydrogenation of cyclohexene by a newly synthesized ruthenium(III) Schiff base complex using various physicochemical methods. It was found that the catalytic activity depends mainly on solvent composition. Density functional theory was applied to explore the mechanistic story of the catalytic reaction.
The work aimed at the mechanistic investigation of the catalytic hydrogenation of cyclohexene by a newly synthesized ruthenium(III) Schiff base complex, [RuLCl(H2O)], where L represents tetradentate N2O2 naphthaldiimine. Several physicochemical methods were used to characterize the target complex. Furthermore, it was observed that the catalytic activity relies mainly on solvent composition. On the other hand, the density functional theory (DFT) was applied to explore the mechanistic story of the catalytic reaction. The findings showed that the complex has two stable isomers (trans and cis), which serve as platforms for the destination toward the hydrogenation journey through the in-situ generation of the active catalysts. Accordingly, one can imagine them as robust and weak machines for cyclohexane production in the reaction vessel. Interestingly, the experimental and the theoretical total activation energies are so comparable which supports the validity of the mechanistic insights. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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